#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+/* Maximum number of array elements to allocate on the stack (used in various
+ * places when large temporary buffers are needed). */
+#define STACK_MAX 32768
+
#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
extern void *
wimlib_malloc(size_t) _malloc_attribute;
# define REALLOC wimlib_realloc
# define CALLOC wimlib_calloc
# define STRDUP wimlib_strdup
-# define WSTRDUP wimlib_wcsdup
+# define WCSDUP wimlib_wcsdup
#else /* ENABLE_CUSTOM_MEMORY_ALLOCATOR */
# include <stdlib.h>
# include <string.h>
# define REALLOC realloc
# define CALLOC calloc
# define STRDUP strdup
-# define WSTRDUP wcsdup
+# define WCSDUP wcsdup
#endif /* !ENABLE_CUSTOM_MEMORY_ALLOCATOR */
extern void *
memdup(const void *mem, size_t size) _malloc_attribute;
+#ifndef HAVE_MEMPCPY
+extern void *
+mempcpy(void *dst, const void *src, size_t n);
+#endif
+
/* util.c */
extern void
randomize_byte_array(u8 *p, size_t n);
#endif
}
+static inline bool
+is_power_of_2(unsigned long n)
+{
+ return (n != 0 && (n & (n - 1)) == 0);
+
+}
+
static inline u64
hash_u64(u64 n)
{
return n * 0x9e37fffffffc0001ULL;
}
+/* is_any_path_separator() - characters treated as path separators in WIM path
+ * specifications and capture configuration files (the former will be translated
+ * to WIM_PATH_SEPARATOR; the latter will be translated to
+ * OS_PREFERRED_PATH_SEPARATOR)
+ *
+ * OS_PREFERRED_PATH_SEPARATOR - preferred (or only) path separator on the
+ * operating system. Used when constructing filesystem paths to extract or
+ * archive.
+ *
+ * WIM_PATH_SEPARATOR - character treated as path separator for WIM paths.
+ * Currently needs to be '/' on UNIX for the WIM mounting code to work properly.
+ */
+
#ifdef __WIN32__
# define OS_PREFERRED_PATH_SEPARATOR L'\\'
+# define is_any_path_separator(c) ((c) == L'/' || (c) == L'\\')
#else
# define OS_PREFERRED_PATH_SEPARATOR '/'
+# define is_any_path_separator(c) ((c) == '/' || (c) == '\\')
#endif
+#define WIM_PATH_SEPARATOR WIMLIB_WIM_PATH_SEPARATOR
+
#endif /* _WIMLIB_UTIL_H */